src/main/java/org/apache/log4j/AsyncAppender.java [305:343]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
  public boolean isAttached(final Appender appender) {
    synchronized (appenders) {
      return appenders.isAttached(appender);
    }
  }

  /**
   * {@inheritDoc}
   */
  public boolean requiresLayout() {
    return false;
  }

  /**
   * Removes and closes all attached appenders.
   */
  public void removeAllAppenders() {
    synchronized (appenders) {
      appenders.removeAllAppenders();
    }
  }

  /**
   * Removes an appender.
   * @param appender appender to remove.
   */
  public void removeAppender(final Appender appender) {
    synchronized (appenders) {
      appenders.removeAppender(appender);
    }
  }

  /**
   * Remove appender by name.
   * @param name name.
   */
  public void removeAppender(final String name) {
    synchronized (appenders) {
      appenders.removeAppender(name);
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -



src/main/java/org/apache/log4j/rewrite/RewriteAppender.java [132:170]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    public boolean isAttached(final Appender appender) {
      synchronized (appenders) {
        return appenders.isAttached(appender);
      }
    }

    /**
     * {@inheritDoc}
     */
    public boolean requiresLayout() {
      return false;
    }

    /**
     * Removes and closes all attached appenders.
     */
    public void removeAllAppenders() {
      synchronized (appenders) {
        appenders.removeAllAppenders();
      }
    }

    /**
     * Removes an appender.
     * @param appender appender to remove.
     */
    public void removeAppender(final Appender appender) {
      synchronized (appenders) {
        appenders.removeAppender(appender);
      }
    }

    /**
     * Remove appender by name.
     * @param name name.
     */
    public void removeAppender(final String name) {
      synchronized (appenders) {
        appenders.removeAppender(name);
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -